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it mostly works!

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Reid 2025-05-12 23:33:52 -07:00
parent 76543fd220
commit 44cd13f10c
Signed by: reidlab
GPG key ID: DAF5EAF6665839FD
52 changed files with 879 additions and 396 deletions
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19
src/downloader/index.ts
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@ -3,11 +3,9 @@ import { spawn } from "node:child_process";
import path from "node:path";
import { addToCache, isCached } from "../cache.js";
// TODO: refresh cache timer on download
// TODO: remux to m4a?
export async function downloadSong(streamUrl: string, decryptionKey: string, songCodec: RegularCodec | WebplaybackCodec): Promise<string> {
let baseOutputName = streamUrl.split("/").at(-1)?.split("?").at(0)?.split(".").splice(0, 1).join(".")?.trim();
if (!baseOutputName) { throw "could not get base output name from stream url"; }
let baseOutputName = streamUrl.match(/(?:.*\/)\s*(\S*?)[.?]/)?.[1];
if (!baseOutputName) { throw new Error("could not get base output name from stream url!"); }
baseOutputName += `_${songCodec}`;
const encryptedName = baseOutputName + "_enc.mp4";
const encryptedPath = path.join(config.downloader.cache.directory, encryptedName);
@ -28,11 +26,14 @@ export async function downloadSong(streamUrl: string, decryptionKey: string, son
"--paths", config.downloader.cache.directory,
"--output", encryptedName,
streamUrl
]).on("error", (err) => { rej(err); });
child.stderr.on("data", (chunk) => { rej(chunk); });
]);
child.on("error", (err) => { rej(err); });
child.stderr.on("data", (data) => { rej(new Error(data.toString().trim())); });
child.on("exit", () => { res(); });
});
addToCache(encryptedName);
await new Promise<void>((res, rej) => {
const child = spawn(config.downloader.ffmpeg_path, [
"-loglevel", "error",
@ -42,12 +43,12 @@ export async function downloadSong(streamUrl: string, decryptionKey: string, son
"-c", "copy",
"-movflags", "+faststart",
decryptedPath
]).on("error", (err) => { rej(err); });
child.stderr.on("data", (chunk) => { rej(chunk); });
]);
child.on("error", (err) => { rej(err); });
child.stderr.on("data", (data) => { rej(new Error(data.toString().trim())); });
child.on("exit", () => { res(); } );
});
addToCache(encryptedName);
addToCache(decryptedName);
return decryptedPath;